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Finding the Fourth Proportional to 534.16, 736.62 and 347.71

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Solution

The fourth proportional to 534.16, 736.62 and 347.71 is: 479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.16 : 736.62 = 347.71 : x
  2. Step 2: Convert to fraction form
    534.16/736.62 = 347.71/x
  3. Step 3: Cross multiply
    534.16x = 736.62 × 347.71
  4. Step 4: Simplify right side
    534.16x = 256,130.14
  5. Step 5: Solve for x
    x = 256,130.14/534.16
  6. Step 6: Final answer
    x = 479.50

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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.