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Finding the Fourth Proportional to 587.52, 876.69 and 526.16

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Solution

The fourth proportional to 587.52, 876.69 and 526.16 is: 785.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.52 : 876.69 = 526.16 : x
  2. Step 2: Convert to fraction form
    587.52/876.69 = 526.16/x
  3. Step 3: Cross multiply
    587.52x = 876.69 × 526.16
  4. Step 4: Simplify right side
    587.52x = 461,281.40
  5. Step 5: Solve for x
    x = 461,281.40/587.52
  6. Step 6: Final answer
    x = 785.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.