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Finding the Fourth Proportional to 587.65, 885.61 and 529.16

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Solution

The fourth proportional to 587.65, 885.61 and 529.16 is: 797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.65 : 885.61 = 529.16 : x
  2. Step 2: Convert to fraction form
    587.65/885.61 = 529.16/x
  3. Step 3: Cross multiply
    587.65x = 885.61 × 529.16
  4. Step 4: Simplify right side
    587.65x = 468,624.31
  5. Step 5: Solve for x
    x = 468,624.31/587.65
  6. Step 6: Final answer
    x = 797.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.