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Finding the Fourth Proportional to 348.58, 524.94 and 303.47

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Solution

The fourth proportional to 348.58, 524.94 and 303.47 is: 457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.58 : 524.94 = 303.47 : x
  2. Step 2: Convert to fraction form
    348.58/524.94 = 303.47/x
  3. Step 3: Cross multiply
    348.58x = 524.94 × 303.47
  4. Step 4: Simplify right side
    348.58x = 159,301.75
  5. Step 5: Solve for x
    x = 159,301.75/348.58
  6. Step 6: Final answer
    x = 457.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.