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Finding the Fourth Proportional to 498.81, 747.88 and 174

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Solution

The fourth proportional to 498.81, 747.88 and 174 is: 260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    498.81 : 747.88 = 174 : x
  2. Step 2: Convert to fraction form
    498.81/747.88 = 174/x
  3. Step 3: Cross multiply
    498.81x = 747.88 × 174
  4. Step 4: Simplify right side
    498.81x = 130,130.69
  5. Step 5: Solve for x
    x = 130,130.69/498.81
  6. Step 6: Final answer
    x = 260.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.