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Finding the Fourth Proportional to 501.24, 751.84 and 176.80

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Solution

The fourth proportional to 501.24, 751.84 and 176.80 is: 265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.24 : 751.84 = 176.80 : x
  2. Step 2: Convert to fraction form
    501.24/751.84 = 176.80/x
  3. Step 3: Cross multiply
    501.24x = 751.84 × 176.80
  4. Step 4: Simplify right side
    501.24x = 132,925.31
  5. Step 5: Solve for x
    x = 132,925.31/501.24
  6. Step 6: Final answer
    x = 265.19

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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.