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Finding the Fourth Proportional to 610.02, 912.48 and 555.95

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Solution

The fourth proportional to 610.02, 912.48 and 555.95 is: 831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.02 : 912.48 = 555.95 : x
  2. Step 2: Convert to fraction form
    610.02/912.48 = 555.95/x
  3. Step 3: Cross multiply
    610.02x = 912.48 × 555.95
  4. Step 4: Simplify right side
    610.02x = 507,288.69
  5. Step 5: Solve for x
    x = 507,288.69/610.02
  6. Step 6: Final answer
    x = 831.59

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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.