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Finding the Fourth Proportional to 534.99, 738.03 and 461.19

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Solution

The fourth proportional to 534.99, 738.03 and 461.19 is: 636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.99 : 738.03 = 461.19 : x
  2. Step 2: Convert to fraction form
    534.99/738.03 = 461.19/x
  3. Step 3: Cross multiply
    534.99x = 738.03 × 461.19
  4. Step 4: Simplify right side
    534.99x = 340,372.06
  5. Step 5: Solve for x
    x = 340,372.06/534.99
  6. Step 6: Final answer
    x = 636.22

Related Problems

Find fourth proportional to 267.50, 369.02 and 230.60
Half scale
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Double scale
Find fourth proportional to 535.99, 739.41 and 462.19
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.