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Finding the Fourth Proportional to 534.72, 737.16 and 479.10

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Solution

The fourth proportional to 534.72, 737.16 and 479.10 is: 660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.72 : 737.16 = 479.10 : x
  2. Step 2: Convert to fraction form
    534.72/737.16 = 479.10/x
  3. Step 3: Cross multiply
    534.72x = 737.16 × 479.10
  4. Step 4: Simplify right side
    534.72x = 353,173.36
  5. Step 5: Solve for x
    x = 353,173.36/534.72
  6. Step 6: Final answer
    x = 660.48

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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.