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Finding the Fourth Proportional to 530.47, 795.75 and 222.47

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Solution

The fourth proportional to 530.47, 795.75 and 222.47 is: 333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.47 : 795.75 = 222.47 : x
  2. Step 2: Convert to fraction form
    530.47/795.75 = 222.47/x
  3. Step 3: Cross multiply
    530.47x = 795.75 × 222.47
  4. Step 4: Simplify right side
    530.47x = 177,030.50
  5. Step 5: Solve for x
    x = 177,030.50/530.47
  6. Step 6: Final answer
    x = 333.72

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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.