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Finding the Fourth Proportional to 545.08, 751.80 and 370.12

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Solution

The fourth proportional to 545.08, 751.80 and 370.12 is: 510.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.08 : 751.80 = 370.12 : x
  2. Step 2: Convert to fraction form
    545.08/751.80 = 370.12/x
  3. Step 3: Cross multiply
    545.08x = 751.80 × 370.12
  4. Step 4: Simplify right side
    545.08x = 278,256.22
  5. Step 5: Solve for x
    x = 278,256.22/545.08
  6. Step 6: Final answer
    x = 510.49

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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.