Home / 740.11-1,110.37-307.16

Finding the Fourth Proportional to 740.11, 1,110.37 and 307.16

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Solution

The fourth proportional to 740.11, 1,110.37 and 307.16 is: 460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    740.11 : 1,110.37 = 307.16 : x
  2. Step 2: Convert to fraction form
    740.11/1,110.37 = 307.16/x
  3. Step 3: Cross multiply
    740.11x = 1,110.37 × 307.16
  4. Step 4: Simplify right side
    740.11x = 341,061.25
  5. Step 5: Solve for x
    x = 341,061.25/740.11
  6. Step 6: Final answer
    x = 460.83

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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.