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Finding the Fourth Proportional to 583.38, 875.46 and 275.58

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Solution

The fourth proportional to 583.38, 875.46 and 275.58 is: 413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.38 : 875.46 = 275.58 : x
  2. Step 2: Convert to fraction form
    583.38/875.46 = 275.58/x
  3. Step 3: Cross multiply
    583.38x = 875.46 × 275.58
  4. Step 4: Simplify right side
    583.38x = 241,259.27
  5. Step 5: Solve for x
    x = 241,259.27/583.38
  6. Step 6: Final answer
    x = 413.55

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1.5x scale

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.