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Finding the Fourth Proportional to 532.58, 798.87 and 316.58

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Solution

The fourth proportional to 532.58, 798.87 and 316.58 is: 474.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.58 : 798.87 = 316.58 : x
  2. Step 2: Convert to fraction form
    532.58/798.87 = 316.58/x
  3. Step 3: Cross multiply
    532.58x = 798.87 × 316.58
  4. Step 4: Simplify right side
    532.58x = 252,906.26
  5. Step 5: Solve for x
    x = 252,906.26/532.58
  6. Step 6: Final answer
    x = 474.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.