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Finding the Fourth Proportional to 348.95, 525.48 and 303.84

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Solution

The fourth proportional to 348.95, 525.48 and 303.84 is: 457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.95 : 525.48 = 303.84 : x
  2. Step 2: Convert to fraction form
    348.95/525.48 = 303.84/x
  3. Step 3: Cross multiply
    348.95x = 525.48 × 303.84
  4. Step 4: Simplify right side
    348.95x = 159,659.22
  5. Step 5: Solve for x
    x = 159,659.22/348.95
  6. Step 6: Final answer
    x = 457.55

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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.