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Finding the Fourth Proportional to 581.92, 870.88 and 497.44

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Solution

The fourth proportional to 581.92, 870.88 and 497.44 is: 744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.92 : 870.88 = 497.44 : x
  2. Step 2: Convert to fraction form
    581.92/870.88 = 497.44/x
  3. Step 3: Cross multiply
    581.92x = 870.88 × 497.44
  4. Step 4: Simplify right side
    581.92x = 433,210.55
  5. Step 5: Solve for x
    x = 433,210.55/581.92
  6. Step 6: Final answer
    x = 744.45

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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.