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Finding the Fourth Proportional to 587.88, 885.06 and 508.50

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Solution

The fourth proportional to 587.88, 885.06 and 508.50 is: 765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.88 : 885.06 = 508.50 : x
  2. Step 2: Convert to fraction form
    587.88/885.06 = 508.50/x
  3. Step 3: Cross multiply
    587.88x = 885.06 × 508.50
  4. Step 4: Simplify right side
    587.88x = 450,053.01
  5. Step 5: Solve for x
    x = 450,053.01/587.88
  6. Step 6: Final answer
    x = 765.55

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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.