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Finding the Fourth Proportional to 572.30, 790.12 and 362.67

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Solution

The fourth proportional to 572.30, 790.12 and 362.67 is: 500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.30 : 790.12 = 362.67 : x
  2. Step 2: Convert to fraction form
    572.30/790.12 = 362.67/x
  3. Step 3: Cross multiply
    572.30x = 790.12 × 362.67
  4. Step 4: Simplify right side
    572.30x = 286,552.82
  5. Step 5: Solve for x
    x = 286,552.82/572.30
  6. Step 6: Final answer
    x = 500.70

Related Problems

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.