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Finding the Fourth Proportional to 582.06, 872.48 and 253.18

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Solution

The fourth proportional to 582.06, 872.48 and 253.18 is: 379.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.06 : 872.48 = 253.18 : x
  2. Step 2: Convert to fraction form
    582.06/872.48 = 253.18/x
  3. Step 3: Cross multiply
    582.06x = 872.48 × 253.18
  4. Step 4: Simplify right side
    582.06x = 220,894.49
  5. Step 5: Solve for x
    x = 220,894.49/582.06
  6. Step 6: Final answer
    x = 379.50

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.