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Finding the Fourth Proportional to 525.01, 724.51 and 325.77

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Solution

The fourth proportional to 525.01, 724.51 and 325.77 is: 449.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.01 : 724.51 = 325.77 : x
  2. Step 2: Convert to fraction form
    525.01/724.51 = 325.77/x
  3. Step 3: Cross multiply
    525.01x = 724.51 × 325.77
  4. Step 4: Simplify right side
    525.01x = 236,022.38
  5. Step 5: Solve for x
    x = 236,022.38/525.01
  6. Step 6: Final answer
    x = 449.56

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.