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Finding the Fourth Proportional to 586.60, 807.78 and 537.32

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Solution

The fourth proportional to 586.60, 807.78 and 537.32 is: 739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.60 : 807.78 = 537.32 : x
  2. Step 2: Convert to fraction form
    586.60/807.78 = 537.32/x
  3. Step 3: Cross multiply
    586.60x = 807.78 × 537.32
  4. Step 4: Simplify right side
    586.60x = 434,036.35
  5. Step 5: Solve for x
    x = 434,036.35/586.60
  6. Step 6: Final answer
    x = 739.92

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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.