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Finding the Fourth Proportional to 587.58, 881.34 and 176.72

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Solution

The fourth proportional to 587.58, 881.34 and 176.72 is: 265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.58 : 881.34 = 176.72 : x
  2. Step 2: Convert to fraction form
    587.58/881.34 = 176.72/x
  3. Step 3: Cross multiply
    587.58x = 881.34 × 176.72
  4. Step 4: Simplify right side
    587.58x = 155,750.40
  5. Step 5: Solve for x
    x = 155,750.40/587.58
  6. Step 6: Final answer
    x = 265.07

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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.