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Finding the Fourth Proportional to 587.08, 880.12 and 356.20

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Solution

The fourth proportional to 587.08, 880.12 and 356.20 is: 534.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.08 : 880.12 = 356.20 : x
  2. Step 2: Convert to fraction form
    587.08/880.12 = 356.20/x
  3. Step 3: Cross multiply
    587.08x = 880.12 × 356.20
  4. Step 4: Simplify right side
    587.08x = 313,498.74
  5. Step 5: Solve for x
    x = 313,498.74/587.08
  6. Step 6: Final answer
    x = 534.00

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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.