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Finding the Fourth Proportional to 894.84, 1,341.78 and 346.47

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Solution

The fourth proportional to 894.84, 1,341.78 and 346.47 is: 519.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.84 : 1,341.78 = 346.47 : x
  2. Step 2: Convert to fraction form
    894.84/1,341.78 = 346.47/x
  3. Step 3: Cross multiply
    894.84x = 1,341.78 × 346.47
  4. Step 4: Simplify right side
    894.84x = 464,886.52
  5. Step 5: Solve for x
    x = 464,886.52/894.84
  6. Step 6: Final answer
    x = 519.52

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Double scale
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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.