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Finding the Fourth Proportional to 503.88, 695.33 and 304.76

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Solution

The fourth proportional to 503.88, 695.33 and 304.76 is: 420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.88 : 695.33 = 304.76 : x
  2. Step 2: Convert to fraction form
    503.88/695.33 = 304.76/x
  3. Step 3: Cross multiply
    503.88x = 695.33 × 304.76
  4. Step 4: Simplify right side
    503.88x = 211,905.29
  5. Step 5: Solve for x
    x = 211,905.29/503.88
  6. Step 6: Final answer
    x = 420.55

Related Problems

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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.