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Finding the Fourth Proportional to 498.19, 745.93 and 343.93

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Solution

The fourth proportional to 498.19, 745.93 and 343.93 is: 514.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    498.19 : 745.93 = 343.93 : x
  2. Step 2: Convert to fraction form
    498.19/745.93 = 343.93/x
  3. Step 3: Cross multiply
    498.19x = 745.93 × 343.93
  4. Step 4: Simplify right side
    498.19x = 256,547.70
  5. Step 5: Solve for x
    x = 256,547.70/498.19
  6. Step 6: Final answer
    x = 514.96

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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.