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Finding the Fourth Proportional to 894.73, 1,341.06 and 346.61

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Solution

The fourth proportional to 894.73, 1,341.06 and 346.61 is: 519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.73 : 1,341.06 = 346.61 : x
  2. Step 2: Convert to fraction form
    894.73/1,341.06 = 346.61/x
  3. Step 3: Cross multiply
    894.73x = 1,341.06 × 346.61
  4. Step 4: Simplify right side
    894.73x = 464,824.81
  5. Step 5: Solve for x
    x = 464,824.81/894.73
  6. Step 6: Final answer
    x = 519.51

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Half scale
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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.