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Finding the Fourth Proportional to 545.04, 751.73 and 434.25

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Solution

The fourth proportional to 545.04, 751.73 and 434.25 is: 598.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.04 : 751.73 = 434.25 : x
  2. Step 2: Convert to fraction form
    545.04/751.73 = 434.25/x
  3. Step 3: Cross multiply
    545.04x = 751.73 × 434.25
  4. Step 4: Simplify right side
    545.04x = 326,436.58
  5. Step 5: Solve for x
    x = 326,436.58/545.04
  6. Step 6: Final answer
    x = 598.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.