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Finding the Fourth Proportional to 583.90, 875.80 and 275.68

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Solution

The fourth proportional to 583.90, 875.80 and 275.68 is: 413.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.90 : 875.80 = 275.68 : x
  2. Step 2: Convert to fraction form
    583.90/875.80 = 275.68/x
  3. Step 3: Cross multiply
    583.90x = 875.80 × 275.68
  4. Step 4: Simplify right side
    583.90x = 241,440.54
  5. Step 5: Solve for x
    x = 241,440.54/583.90
  6. Step 6: Final answer
    x = 413.50

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Double scale
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Similar ratio
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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.