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Finding the Fourth Proportional to 486.03, 670.95 and 368.03

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Solution

The fourth proportional to 486.03, 670.95 and 368.03 is: 508.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    486.03 : 670.95 = 368.03 : x
  2. Step 2: Convert to fraction form
    486.03/670.95 = 368.03/x
  3. Step 3: Cross multiply
    486.03x = 670.95 × 368.03
  4. Step 4: Simplify right side
    486.03x = 246,926.37
  5. Step 5: Solve for x
    x = 246,926.37/486.03
  6. Step 6: Final answer
    x = 508.05

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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.