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Finding the Fourth Proportional to 740.04, 1,108.33 and 373.94

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Solution

The fourth proportional to 740.04, 1,108.33 and 373.94 is: 560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    740.04 : 1,108.33 = 373.94 : x
  2. Step 2: Convert to fraction form
    740.04/1,108.33 = 373.94/x
  3. Step 3: Cross multiply
    740.04x = 1,108.33 × 373.94
  4. Step 4: Simplify right side
    740.04x = 414,448.92
  5. Step 5: Solve for x
    x = 414,448.92/740.04
  6. Step 6: Final answer
    x = 560.04

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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.