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Finding the Fourth Proportional to 504.53, 752.48 and 443.23

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Solution

The fourth proportional to 504.53, 752.48 and 443.23 is: 661.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.53 : 752.48 = 443.23 : x
  2. Step 2: Convert to fraction form
    504.53/752.48 = 443.23/x
  3. Step 3: Cross multiply
    504.53x = 752.48 × 443.23
  4. Step 4: Simplify right side
    504.53x = 333,519.49
  5. Step 5: Solve for x
    x = 333,519.49/504.53
  6. Step 6: Final answer
    x = 661.06

Related Problems

Find fourth proportional to 252.26, 376.24 and 221.62
Half scale
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Double scale
Find fourth proportional to 505.53, 753.97 and 444.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.